Identify whether it is the basic common sense of freshly ground coffee beans.

1. When you go to the place where you buy coffee, you will smell the aroma of coffee before you see it. This is how the aroma of coffee spreads easily. If it is an old coffee bean, the oil contained in the coffee will go bad instead of giving off a fragrance, so the aroma is a symbol of the quality of the coffee. The fresher the coffee, the better it tastes. If you want to enjoy delicious coffee, you must start with the right purchase and ingenious preservation.

two。 If you want to drink coffee, you usually buy fried beans or ground powder. Most places that sell coffee beans sell several kinds of mixed coffee prepared by their own stores. When you buy, if you have a shredder, you can buy beans directly, if not, you can ask the store to grind the coffee beans into powder on the spot.

3. At present, there are household shredders on the market, such as Carrefour, Pursmatt and other supermarkets, with prices between 400 and 700 yuan, while coffee-making utensils can be made with ordinary tea pots. 4. Coffee beans should not be purchased in large quantities. The fat in old coffee beans will seep out, which will make the taste of coffee sour.

When buying coffee beans, you can put the coffee beans in your mouth and bite them. Fresh coffee beans will have a curling sound, while old coffee beans will not make a sound. The amount of a purchase is limited to the amount of water consumed by a family in a week. After buying it home, it should be sealed in the jar immediately, and the amount should be ground only once at a time. Generally, the amount of coffee beans used in a cup of coffee is about 10ml 15g.

5. The grinding methods of coffee beans are generally divided into fine grinding, medium grinding and coarse grinding, according to the brewing method of coffee, that is, siphon, dripping and boiling. Siphon with fine grinding powder, dripping with medium grinding powder, boiling with coarse grinding powder, to the place where coffee beans are sold, as long as you tell the waiter which method to brew, you can get the corresponding powder.

6. The coffee powder ordered is put in a small bag, and the powder is in the best condition of hardening. Coffee powder can not stand the high temperature and humid environment, as soon as it comes into contact with the air, the fragrance will spread. Once the bag is opened, it should be wrapped as before, put in the can, and stored in the refrigerator. The maximum amount of coffee powder purchased is the amount consumed by the whole family within a week. Retail stores sell coffee powder in units of 50g, 100g, 150g and 250g.

7. Whether it is coffee beans or coffee powder are absolutely forbidden to buy in advance, each time to buy a small amount, although troublesome, but you can enjoy the pure taste of coffee.